Mini Gastric Bypass

The mini gastric bypass is a procedure for weight loss. It is definitely not higher than the gastric bypass, some authors report similar effects; However, it is a good alternative with less risk than the classic pass by. With the creation of a small stomach that contrast with other techniques like the classic bypass, this small stomach here is long and narrow in order to truly build a mechanism of restriction or limitation on the amount of food that enters the body and likewise prevent the esophagus dilate and work as a reservoir of food which would result in the failure of the surgery as it happens with other techniques.

How it works and how it is done?
This procedure involves cutting the stomach in half to create a gastric “sleeve” (vertical banded gastroplasty) to drastically reduce the size of the stomach and subsequently the “new stomach” directly connected with the bowel and with this create a deviation from the food directly to the intestine, allowing a lower absorption of calories and fat (diverting approximately 2 feet of small intestine).


    • It can be done by minimally invasive (laparoscopic) or using traditional “open” surgery.

Expected weight loss is: 30% – 35% of the body weight 65-75% of excess weight.

  • It is a low-risk operation and rates of complications, compared to other anti-obesity operations.
  • It produces a great weight loss without altering the nutritional status.
  • “Simple” is in relation to other anti-obesity operations.
  • Surgery time is brief: 70 minutes.
  • The hospital stay is only 24 h
  • Little postoperative pain.
  • Very high patient satisfaction.
  • It is a good choice of rescue for other failed surgeries.
  • No failures rates have been recorded in the loss of weight or regaining.
  • Minimum recovery time
  • Rapid return to work or daily life (one week).
  • Weight loss maintained over the years (75% overweight at five years).
  • Without using strange materials.
  • It is compatible with physiological situations such as pregnancy.

More Information

This procedure was developed in the Decade of the 60’s, described by Dr. Aniceto Baltasar in Spain. It is important to emphasize that this procedure is not fully accepted, because of the possible complications, in the Decade of the 70’s, this procedure was abandoned since the pancreatic and biliary reflux causes great damage to the mucosa of the stomach, producing an alkaline, reaching extreme cases gastritis of ulcers. However with the development of new drugs that can be control after surgery.

Three important things that remember the mini-bypass are its effects globally: Restrictivo: The small remnant stomach restricts the amount of food ingested. Malabsorption: Due to the diversion of the intestine (and as it is responsible for absorbing nutrients), a portion of calories and fat is not absorbed, creating an additional weight loss. Hormonal Similar to the gastric sleeve to cut a portion of the stomach producing ghrelin (classified as hunger hormone) hormone levels fall, resulting in a loss of appetite.
The positioning of the technique has been increasing, gradually based on results and evidence-based medicine is that the technique has positioned itself as a powerful alternative, it is striking that many surgeons who practiced above than the Mini-Gastric ByPass surgical techniques, today have abandoned classical techniques and they have become promoters of Mini-Gastric ByPass. Indications which are used to select a patient for Bariatric Surgery are the same that are used to select Mini-Gastric Bypass Surgery for obesity control.

All patients with a BMI equal to or greater than 40 must undergo surgery and Mini-Gastric Bypass can be chosen. Patients who suffer from Diabetes type II, hypertension, cholesterol or high triglycerides problems and found with a BMI of 30, shown that surgery can resolve their Diabetes and associated disorders, ostensibly to improve their health and their lives. When the patient has a disease or medical condition that the surgery can improve or cure the surgery will be indicated.


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